Synonyms for Buckle (same or very similar meaning)
WordNet sense 1 (a shape distorted by twisting or folding):
warpWordNet sense 2 (fasten with a buckle or buckles):
claspWordNet sense 3 (fold or collapse):
crumpleWordNet sense 4 (bend out of shape, as under pressure or from heat):
heaveFrom the ODE community, based on WordNetadd/edit