What about reinforcing the foot, heel, and toes with this stuff? It or something like it may be available elsewhere, but I just saw it last night, and will order some as I have teeth in my toes too.
justcharlotte on Ravelry
to catch up on my knitting after my HS reunion weekend
“Properly practiced, knitting soothes the troubled spirit, and it doesn't hurt the untroubled spirit either.”
― Elizabeth Zimmerman