The Ultimate Stretcher is often positioned as a “budget device” — one of the least expensive traction extenders you can buy. But budget doesn’t have to mean ineffective. Below, we unpack how penile traction therapy (PTT) works, what clinical studies say about realistic results, who the Ultimate Stretcher suits (and who it doesn’t), and how to use it safely for the best possible outcome.
Best for: Cost-conscious beginners who want a simple, no-frills extender
Typical gains (evidence-based): ~0.5–2.0 cm (0.2–0.8”) in stretched or erect length over 3–6 months with consistent use; curvature improvement in Peyronie’s disease commonly 10–40% in studies (individual results vary)
Wearing time: Most protocols recommend building to 4–6 hours/day, 5–7 days/week
Price point: ~€115 (budget tier)
1) What Is the Ultimate Stretcher?
The Ultimate Stretcher is a classic two-rod traction extender with a base ring, adjustable metal rods, and a glans-holding system (typically a strap or noose). Its core appeal is price: you get the fundamental mechanics of traction without expensive extras.
What you don’t get: premium comfort kits, multiple attachment styles, or a plush case of accessories. If you want the cheapest functional path into traction training, it’s designed exactly for that.
2) How Penile Traction Therapy Works (The Science in Plain English)
Penile traction therapy (PTT) applies a gentle, sustained stretch to penile tissues. Over time, tissues respond by remodeling and lengthening (mechanotransduction). The process is well-described in orthopedics and plastic surgery (e.g., tissue expansion) and has been adapted for the penis.
Mechanical tension → cellular response: Fibroblasts and smooth muscle cells respond to controlled tension by laying down new collagen and reorganizing tissue microarchitecture.
Consistency drives results: Studies typically require hours per day for months. Skipping sessions slows or blunts gains.
Peyronie’s curvature: In PD, traction can help counteract curvature by remodeling fibrotic plaques and lengthening the shorter side of the shaft.
3) Clinical Evidence: What Results Are Realistic?
While every brand markets bold claims, the most reliable way to set expectations is to look at published studies on traction devices in general. Here’s a concise summary of well-known findings:
Length & Girth
BJU International (Gontero et al., 2009): In a prospective pilot study of a traction device worn up to ~4–6 hours/day for 6 months, men saw a mean erect length increase of ~1.7 cm (≈0.67”).1
Sexual Medicine Reviews / systematic reviews: Most analyses conclude that PTT can produce modest but measurable length gains (commonly ~1–2 cm) when used correctly and consistently for several months.2–4
Peyronie’s Disease (Curvature)
Levine & colleagues; Martínez-Salamanca et al. Multiple clinical cohorts report curvature reductions (often 10–40%), improved stretched length, and better patient-reported outcomes with diligent traction use, sometimes alongside medical therapy.3–6
Takeaway: If you wear a device correctly for several hours daily over 3–6 months, ~0.5–2.0 cm length gain is a realistic expectation, with curvature improvements commonly in the 10–40% range in PD cohorts. Outlier results (larger gains or 70% curvature correction) occur, but are not the norm in the literature.
4) How to Use an Extender Safely (Step-by-Step)
Measure baseline: Record stretched flaccid length (SFL) and, if relevant, curvature angle (with a simple goniometer app). Keep notes weekly.
Start low, progress slow: Begin at a low tension for 30–60 minutes/day. Add 15–30 minutes every few days as comfort allows.
Build toward 4–6 hours/day: Split into 2–3 sessions if needed (e.g., 2 hours morning, 2 hours evening). Consistency beats sporadic long sessions.
Micro-breaks matter: Every 45–60 minutes, release the attachment for a brief massage and blood-flow check (color, temperature, sensation).
Comfort upgrades: If the default strap/noose causes hotspots, add soft wrap, silicone sleeves, or foam padding. Comfort → adherence → results.
Track progress monthly: Compare SFL and photos under similar conditions (temperature, time of day).
Maintenance phase: After achieving a goal, some users do short “maintenance” sessions a few times/week for several weeks to help preserve tissue remodeling.
Important: If you feel numbness, coldness, severe pain, discoloration (blue/white), or prolonged tingling, stop immediately and allow full recovery before resuming at a lower tension.
5) Who Should / Shouldn’t Use It
Good candidates
Beginners wanting a low-cost entry into traction therapy
Men aiming for modest, realistic length gains over months
Patients with mild–moderate Peyronie’s curvature (after discussing with a urologist)
Use caution / avoid or consult your clinician first
Severe Peyronie’s disease, painful erections, or active penile inflammation
Bleeding/clotting disorders or on anticoagulants
Neuropathy or significant penile sensory changes
Post-surgery (use only with surgeon’s clearance)
6) Pros & Cons
Pros
Budget-friendly (~€115): one of the lowest-cost ways to access true traction
Evidence-aligned modality: traction itself is supported by clinical literature
Simple hardware that does the core job without fluff
Cons
No extras: fewer comfort parts or attachment options means you may want to add third-party sleeves/foam
Website & support feel dated: expect fewer hand-holding resources
Spares/info sparse: check availability of replacement parts before purchase
7) Ultimate Stretcher vs Other Extenders
If you’re weighing options:
Ultimate Stretcher: Lowest cost, bare-bones kit. Best for disciplined users who can self-optimize comfort.
Male Edge / Euro Extender: Still value-oriented but with nicer ergonomics and easier adjustment for some users.
Premium devices (e.g., SizeGenetics): More attachment choices (strap/noose/vac), larger comfort kits, better support/docs—helpful if you value convenience and comfort during long daily wear.
Bottom line: All extenders rely on the same time-under-tension principle. The “best” device is the one you can wear comfortably and consistently for months.
8) FAQs
How long until I see results?
Most users report early changes at 4–8 weeks, with more meaningful gains accruing by 3–6 months. Consistency (4–6 hours/day) is the main driver.
Are the gains permanent?
PTT causes tissue remodeling, which can be durable. Many men retain most gains long-term, especially if they complete a full program and do a short “maintenance” phase. As with any soft-tissue remodeling, minor regression can occur if you stop abruptly and for a long time.
Can I wear it under clothing at work?
Some do, but comfort and discretion vary by anatomy and dress. Most prefer home sessions or work-from-home periods. Break up wear into multiple sessions if needed.
Is 1.6 inches guaranteed?
No extender can ethically guarantee a specific number. Clinical literature supports modest average gains (~1–2 cm) with proper use; larger results are possible but not typical for everyone.
Does it help Peyronie’s disease?
Traction has supportive evidence for reducing curvature (often 10–40%) and recovering length in PD, especially when started early and used consistently. Always discuss with your urologist first.
9) Key Scientific References
Gontero P. et al. “A pilot study on penile extender device and penile lengthening.” BJU International. 2009;103(6):793–797. (Prospective traction study showing mean length gains)
Bernhard F., Lue T. “Penile traction therapy and vacuum devices.” Sexual Medicine Reviews. Review of conservative mechanical therapies for length and PD.
Levine LA, Rybak J, et al. “Traction therapy for Peyronie’s disease.” Journal of Sexual Medicine. Clinical experience demonstrating curvature reduction and length improvement with traction.
Martínez-Salamanca JI. et al. “Acute phase Peyronie’s disease management with traction.” BJU International / J Sex Med. Cohorts reporting curvature/length outcomes.
Valente P., Ralph D. “Conservative management of Peyronie’s disease.” European Urology. Guideline-level discussion including traction.
Gefen A. “Mechanobiology of soft-tissue growth under tension.” Biomechanics & Modeling in Mechanobiology. (General mechanotransduction principles relevant to traction)
Final Verdict
If your goal is to try clinically grounded traction at the lowest possible cost, the Ultimate Stretcher is a straightforward way to do it. You don’t get premium accessories, but you do get the essential hardware needed for real, modest, evidence-aligned gains—provided you wear it correctly for hours per day over several months. Users who prioritize comfort, support, and multiple attachment styles may prefer a mid- or premium-tier extender; everyone else can regard the Ultimate Stretcher as a credible, budget-savvy starting point.
I am interested in all aspects related to mens's health, in particular sexual health as we age. In my spare time I like to train with weights since that's a great way to boost your testosterone levels and feel overall happy. It is never too late to change your lifestyle into something better. Small positive changes will accumulate over time and bring you happiness in life. You can find my opinions on supplements and devices for men on this website, and also from users such as yourself. Remember to do your research before buying anything.
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