Polyurethane Sheet by Jon Renau
The Polyurethane Sheet is a wonderful tool for those looking to add extra adhesion to their wigs.
Polyurethane can be cut to size and you just stitch to your wig ear tabs / nape or wherever you desire on the cap.
Glue and tapes adhere easily to polyurethane.
If you prefer not to use an adhesive, and want something that will grip bare skin, you can buy the Silicone Sheet and stitch this to your wig instead.