Pyraminx

L4E, top-first, keyhole and 1-flip

L4E (last four edges)

Tips, centres and a V, then one algorithm for the last four edges.
Tips, centres and V → Last four edges · 34 cases

Top-first, keyhole and 1-flip

Solve a top block first, then the bottom layer; keyhole and 1-flip are its intuitive variants.
Approaches