Velcro Compatible Rack Shelf For Slant Mount Racks The 1SKB-VS-2 is an 8U shelf designed to be used with any of our top slant rack mixer cases such as the 1SKB-R102, 1SKB-R104, 1SKB-R106 or Gig Rig products such as the 1SKB19-R1208. The VS-2 shelf has a hook and loop covering to secure any products that can't be rack mounted. The covering is on both sides so the shelf which provides two different mounting options. The shelf can be recessed below the rack rails for small mixers or DJ equipment or above the rack rails for the perfect solution for a laptop or video projector.