what hand/thumb warmer you all have good luck with?

[pantera1975]

Need to put some on the 86 R and I want the ones that i can use my own grips. If I upgrade to the Ricks 200watt stator run headlight and tail light too I wont burn up the wiring will I?

[fabiodriven]

http://www.3wheelerworld.com/showthread.php?121494-Cold-weather-riding-hand-warmers&highlight=