Just got this guy, workes pretty well even with the bindings on. Rubs against the butt a little, but nothing uncomfortable. just a little tap from the binding every now and then. Bottom strap is long enough to go under the SB360 as well for extra support

https://www.amazon.com/gp/product/B087F6XK67/ref=ppx_od_dt_b_asin_image_s00?ie=UTF8&psc=1