R201       *No digging into carpet. Traction devices must not have surface features that could damage the Arena (e.g. metal, sandpaper, hard plastic studs, cleats, hook-loop fasteners or similar attachments). Traction devices include all parts of the Robot that are designed to transmit any propulsive and/or braking forces between the Robot and Field carpet.

R206       *Don’t damage GAME PIECES. Robot elements likely to come in contact with a GAME PIECE shall not pose a significant hazard to the GAME PIECE.

R203       *General safety. Robot parts shall not be made from hazardous materials, be unsafe, cause an unsafe condition, or interfere with the operation of other Robots.

R102       *Starting Configuration – no overhang. In the Starting Configuration (the physical configuration in which a Robot starts a Match), no part of the Robot shall extend outside the vertical projection of the Frame Perimeter, with the exception of its Bumpers and minor protrusions such as bolt heads, fastener ends, rivets, cable ties, etc.