The Boys are Back in Town SDS

This is the added sit start to the awesome slab/mantle problem. The start is on a fang undercling and a gaston sloper. The way that I did it was to start in a rose position with my right hand on the fang and left just pushing on the gaston sloper hold and immediately "rosing" through to a crimp, moving feet and busting into the stand sloper. Continue straight into the mantle crux to gain the slab and topout on a scary but easy-ish topout