TRUHK Brief STP/Packing Underwear - Light Gray Size:XS This will help prevent the

This will help prevent the shaft from continual rubbing on the O-Ring which may tear the softer silicone

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the Twist Kit is a fun

The STP Erection Rod is designed specifically for the STP Device | 2nd Generation

TRUHK Brief STP/Packing Underwear - Light Gray Size:XS This will help prevent theTake the guesswork out of matching your STP and packers with underwear. TRUHKS are designed to mix and match with ease. Based on traditional men's sizing, the TRUHK Brief STP Packing Underwear has a unique 3 layer pocket to securely hold your STP soft packer in place. Layer 1 (Interior pocket): Securely tuck in your STP packer. Layer 2 (Center panel): O opening to pull the shaft through and keep your STP packer from turning. Layer 3 (Exterior pocket):