'(Hi, I'm NFL wide receiver Marvin Harrison)  This phrase for an arrangement of pulleys uses 2 common football terms'
Block & tackle
_____&____: This phrase for an arrangement of pulleys uses 2 common football terms
This phrase for an arrangement of pulleys uses 2 common football terms
This phrase for an arrangement of pulleys uses 2 common football terms
_____&____
Block & tackle
_____&____