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STILL-ON Systems knee strap is used for penis stretching by putting the strap on under the knee. Nothing else on the market comes close to the quality to stretch your penis.



One replacement adjustable neoprene-lined knee strap with a D-ring.


New for 2023;

1. Stronger buckle

2. Thicker neoprene

3. Reinforced D-ring

4. Better build quality and stitching overall


Free USA Shipping in discrete packaging. Ships Worldwide.

Replacement Part-Knee Strap with D-Ring - Free USA Shipping

  • No returns due to sanitary concerns.

    If the item breaks within 14 days of purchase, we will ship you a replacement.

  • Item ships daily (except for Sunday ) by 1pm Central time via USPS First Class Mail with Tracking.

    Estimated Arrival;

    U.S.A. 3-7 business days.

    Canada - 5-10 Business Days (includes customs)

    Internations Orders - Priority Shipping with Tracking - 7-14 Business Days (includes customs)

    Written instructions are included in each package. 

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