Insulin Initiated! | Best Days in History

Invention on Instagram: "Early hockey skates did not allow blade replacement because the steel was permanently attached to the boot using rivets or welds. When blades wore down players simply sharpened them repeatedly until there was no usable steel left. If a blade cracked or failed the only real solution was replacing the entire skate which made equipment costly and limited performance consistency. As skating speeds increased and the game became more physical manufacturers began separating the