A varial heelflip involves doing the same process as a kickflip but you are doing a heelflip bs shuvit. To do this setup like a heelflip, but also as if you were going to bs shuvit. Ollie, and then heelflip but spin the bs shuvit. The board should spin the heelflip and shuvit slightly behind you. Once it has finished spining catch it and land.