STRING ACCESSORY SPEED LOSS
Brass Nock 2 - 4 fps
Peep Sight 3 - 6 fps
String Silencers 2 - 6 fps
E-Buttons 2 fps each
Rubber Peep Tube 6 - 10 fps
String Loop 1 - 3 fps (without brass nocks)
VibraBlocks 0 - 2 fps