With the foot at 90º to the leg, place cutting strip on dorsum of foot.
Tape channel tube on top of cutting strip.
Place baggie of appropriate length on foot and leg.
Submerge STS sock into warm water to activate hardening solution.
Gather STS sock and slide onto the limb.
Position in semi-weight bearing on footboard in corrected position with ankle at 90°.
Deliniate medial & lateral malleolous and other boney prominences.
When dry, cut along cutting strip full length.