Cutting a “V” in the toenail will fix an ingrown toenail, reducing the pressure and pain. This is an old wives tale with good architectural merit but unfortunately is untrue. Nail cells are not like skin, they do not get together, they only grow in...
The bottom line; the hallux nail (big toenail) is flatter than all the other toenails and fingernails. A big flat adhered plate has more forces acting on it to bend it out of shape. I note this very clever gentleman only did the first principle equations...