a. [f. TACK sb.1 2 + -LESS.] Having no tacks; made (as a sewn shoe) without tacks.
1892. Boot and Shoe Recorder, XXI. 6 July (Advt.). Doing away with calls for a ‘Tackless Shoe.’
1907. Westm. Gaz., 4 Nov., 8/4. A boot or shoe … being tackless throughout, is much more flexible than would otherwise be possible.
1907. Daily Chron., 5 Nov., 8/2. A patent ‘lasting’ machine with which boots can be made without the aid of tacks or other metal fastening is shown by the Tackless and Flexible Shoe Machinery Company.
