Sewing machine attachment

Claim 1

IN COMBINATION WITH A FOUR BUTTON SEWING MACHINE INCLUDING A SHANK BUTTON CLAMP WHICH IS LONGITUDINALLY MOVABLE TO TWO DIFFERENT POSITIONS AND INCLUDING MEANS FOR SEWING IN TWO DIFFERENT POSITIONS LATERALLY OF SAID CLAMP FOR FOUR HOLE BUTTON SEWING OPERATION, AN ATTACHMENT SECURED TO ONE END OF SAID CLAMP AND HAVING A BASE PORTION WHICH IS CUT-OUT TO FORM A SEAT FOR SNUGLY RECEIVING THE EYES OF A HOOK WITH THE HOOKED END PORTION INNERMOST AND EXTENDING UPWARDLY, SAID BASE PORTION HAVING AN INTEGRAL TONGUE CENTRALLY OF SUPPORTING THE LONGITUNAL SHANK PORTION OF THE HOOK AND HAVING NEEDLE RECEIVING OPENINGS ON BOTH SIDES OF SAID TONGUE AND OF THE HOOKED PORTION OF SAID HOOK, SAID ATTACHMENT HAVING AN INTEGRAL FLANGE EXTENDING VERTICALLY UPWARDLY FROM AND AT RIGHT ANGLES TO SAID BASE PORTION WHICH IS DETACHABLY CONNECTED TO SAID CLAMP, A SLIP-STITCH-FINGER PIVOTALLY MOUNTED FOR VERTICAL MOVEMENT ON SAID ATTACHMENT AND OVERLYING THE HOOKED END PORTION OF THE HOOK ONLY, A SPRING HAVING ONE END ENGAGING SAID VERTICALLY UPWARDLY EXTENDING FLANGE AND THE OTHER END ENGAGING SAID FINGER FOR NORMALLY AND YIELDINGLY URGING A NOSE SHAPED END PORTION OF SAID FINGER ONTO THE HOOKED END PORTION OF SAID HOOK SO AS TO YIELDINGLY HOLD THE HOOK IN PLACE ON SAID BASE PORTION, WHEREBY THE NEEDLE IS ADAPTED TO PROJECT ALTERNATELY THROUGH SAID OPENINGS AND IN SO DOING CAUSE THE THREAD TO SLIP OVER SAID FINGER AND NOSE PORTION AND UNDERNEATH THE HOOKED PORTION SO AS TO SEW THE END PART OF THE SHANK PORTION UNDERLYING SAID HOOKED PORTION ONTO THE CLOTH AND THEREBY PREVENT UPWARD PIVOTING OF THE HOOKED PORTION FROM THE CLOTH ONTO WHICH IT IS SEWN.