Ramptech Skate at home, Halfpipes, Quarterpipes and Grind Boxes – Ramptech.com
Skatelite | Surface Material
Portable Skateboard Mini Ramps | Custom Skate - KO Ramps
Skating a Stranger's PERFECT Backyard Mini Ramp - YouTube
Amazon.com: OC Ramps Garage Mini Ramp (16' x 8' x 2') - A 2 Foot High Skateboard Half Pipe Designed to Fit in Your Garage or Backyard - 2 Layers of Plywood
THE BACKYARD MINI RAMPS CREATED DURING LOCKDOWN - Jenkem Magazine