A clamp comprising: a first clamping portion comprising a tube clamp for clamping a tube; a second clamping portion comprising a hole for receiving a first bolt; wherein the clamp is configured such that when the second clamping portion is laid on top of the first clamping portion, the second clamping portion can be secured to the first clamping portion by receiving the first bolt in the second clamping portion and then securing the first bolt; wherein a top face and a bottom face of the first clamping portion have a repeated pattern of folds; wherein the bottom face of the second clamping portion have the same repeated pattern of folds as the top face and the bottom face of the first clamping portion.