Blocks are firm, trapezoid or rectangular formed mats. They can be connected to other blocks by means of velcro and straps. Blocks are routinely utilized as action-stools for gymnasts working on the bars or beam and as apply vaulting surfaces. Crash mats[edit] When using a tumbling mat in a https://catwheel80123.blogrenanda.com/32575439/the-5-second-trick-for-air-track