Master Series Fuk Tool Penis Sheath & Ball Stretcher

What This Penis Sheath Is

Couples who like to experiment during sex might reach for the Master Series Fuk Tool from XR Brands, a hollow penis extension and ball stretcher made from phthalate-free thermoplastic rubber (TPR). It's for wearers who want a veiny, realistic sleeve that adds length and girth while worn. The separate chamber for the balls keeps everything anchored.

Internal Channel and Fit

The inside is built around two openings. Your shaft slides into a hollow channel with 6.5 inches of insertable length. Your balls pass through a separate lower chamber that holds them apart and slightly forward. That split design is what keeps the sheath from drifting during use.

The channel walls are firm and slick rather than heavily patterned, so a little lube lets you glide in easily. Once you're inside, the snug TPR closes around the shaft for a tight, even squeeze along the full length. Pressing it fully on pushes out air and creates a light suction-like hold that helps keep it seated.

Outer Texture and Material Feel

The real texture is on the outside. The beige outer sleeve is sculpted with raised veins and lifelike detailing, so the 8-inch total length looks and feels like a realistic dildo built around you. At 1.75 inches in diameter, it gives your partner noticeably more girth to feel.

• Total length: 8 inches
• Insertable length: 6.5 inches
• Diameter: 1.75 inches
• Material: TPR, phthalate-free
• Separate shaft and ball chambers
• Color: beige

Cleanup and Care

Because the sheath is hollow and open at the base, cleaning is simple. Rinse the channel and ball opening with warm water and mild soap or a toy cleaner, then let it air dry completely before storing. Stick with a water-based lube, since TPR can break down with silicone-based or oil-based formulas. A light dusting of renewing powder after drying helps the material keep its slick, smooth surface.