Keyhole steps:\rbr\rbr Solve two edges Intuitively\rbr\rbr Orient bottom centers With Keyhole\rbr\rbr Solve Keyhole edge (R L R L) or (L R L R)\rbr \rbrSolve bottom edges \rbr(R L R L) or (L R L R)\rbr(R L R L2 U L U) or (L R L R2 U R U)\rbr(R L R L) (U L U L)\rbr\rbrAfter this an easy step up method to learn would be 1-flip.