Signature Series MK II Mat Converter [Cream][Accessory for Pilates Reformer]NOTE Reformer not included. Turn your Signature Series MK II Pilates Reformer (Timber model) into a raised table exercise mat. The Mat Converter is ideal for those clients who find it difficult to lay on a standard floor mat. When the mat converter is in place, and if required, the pulley risers, shoulder rests post holders and ropes handles of your reformer can be removed (as demonstrated in one of the supplied images).