[f. CAP.] The cap of leather on a flail, through which the thongs pass that connect the swingel and staff.
1688. R. Holme, Armoury, III. 333/1. The Cap-lings of a Flail or Threshal are the strong double Leathers made fast to the top of the Hand-staff and the top of the Swiple.
1704. in Worlidge, Dict. Rust. et Urb., s.v. Flail.
1727. in Bradley, Fam. Dict., s.v. Flail.