Hey Dee, I believe those would be "Wedgies" and they're still around.
http://www.wedgie.com/
Personally I think that there can be a considerable difference in tone depending on material, thickness and flexibility.
Hey Dee, I believe those would be "Wedgies" and they're still around.
http://www.wedgie.com/
Personally I think that there can be a considerable difference in tone depending on material, thickness and flexibility.