OLL 16
Knight move shapes; comes up 1 in 54 solves.
Algorithms
r U r' R U R' U' r U' r'reads as r U r' · Righty · r U' r'r U M U R' U' r U' r'y2 R' F R U R' U' F' R U' R' U2 Rreads as y2 R' · T OLL · Insert · U2 Ry2 l U l' L U L' U' l U' l'reads as y2 l U l' · Righty (lefty inv) · l U' l'