Clinches definitions

Clinches

1) Ensures 2) Ices 3) Seals 4) Sews up
Found on https://www.crosswordclues.com/clue/clinches

---

Clinches

The folded-over ends of horseshoe nails on the outside of a shod horse's hooves
Found on http://www.gaitedhorses.net/Articles/HorseGlossary.html

---