1. A SHOE SOLE CHANNEL CUTTER FOR A SHOE SOLE STITCHING MACHINE OF THE TUPE INCLUDING A WORK SUPPORT FOR SUPPORTING A SHOE SOLE IN AN INVERTED POSITION, A FEED MEMBER MOUNTED FOR RECIPROCATION APPROXIMATELY HORIZONTALLY, AND AN AWL MOUNTED FOR UPWARD AND DOWNWARD MOVEMENT TO PENETRATE A SHOE SOLE ON SAID WORK SUPPORT AND TO BE WITHDRAWN THEREFROM AND OPERATIVELY CONNECTED TO SAID FEED MEMBER TO MOVE APPROXIMATELY HORIZONTALLY THEREWITH, SAID CHANNEL CUTTER INCLUDING A CUTTER BLADE MOUNTED FOR UPWARD AND DOWNWARD RECIPROCATION TO CUT A CHANNEL IN A SHOE SOLE RESTING ON SAID WORK SUPPORT, A RECIPROCATING BLOCK, GUIDE MEANS FOR GUIDING SAID BLOCK FOR UPWARD AND DOWNWARD MOVEMENT WHILE RESTRAINING IT AGAINST SUBSTANTIAL MOVEMENT IN AN APPROXIMATELY HORIZONTAL DIRECTION, MOTOR MEANS FOR RECIPROCATING SAID BLOCK UPWARDLY AND DOWNWARDLY, MEANS INCLUDING A HORIZONTALLY SLIDABLE CONNECTION FOR RECIPROCATING SAID CUTTER BLADE UPWARDLY AND DOWNWARDLY BY THE RECIPROCATING MOVEMENTS OF SAID BLOCK, AND MEANS OPERATIVELY CONNECTING SAID CUTTER BLADE TO SAID FEED MEMBER TO MOVE SAID CUTTER BLADE APPROXIMATELY HORIZONTALLY BY THE RECIPROCATING MOVEMENTS OF SAID FEED MEMBER, SAID HORIZONTALLY SLIDABLE CONNECTION ENABLING SAID CUTTER BLADE TO MOVE HORIZONTALLY WITHOUT CAUSING CORRESPONDING HORIZONTAL MOVEMENT OF SAID RECIPROCATING BLOCK.