I am working on a pullover sweater, worked from the top down. The instructions for a second increase row say "K1, M1, knit to 1 st before next m, M1, K1 sl m, M1 ..." What does it mean to sl m? The make from the previous increase row? This doesn't make sense to me. Thank you. I am new to the forum though have used information from it for various projects.