My son reminded me that my Dad really did the gorilla glue on the fingers thing one time. Dad is 80 years old this year and plays a Taylor 714 just about every day. He was having problems with the pick moving around in his fingers, so just before a jam session at his house one night he glued his pick to his finger. I guess it worked. One time when I talked to Doc Watson, He showed me that he uses a pick with "tread" on it to keep it from slipping. You know those ones with the rough part on the fat end.