(under subclass 16.6) Machines which are provided with means to contact the heel and limit the motion of the cutter relative thereto.
(1) Note. The flap trimming of this subclass is usually performed after the flap is attached to the heel.
(2) Note. Cross-references are made from this subclass to the sole and heel edge trimmer structural subclasses of this class, subclasses 85+ where appropriate.