pinfire
v.— «The suggestion is that you should pinfire your horse.…Thermocautery, or pinfiring as it is commonly known in the horse industry, has been around for ages.…With firing, generally a hot iron is used to effectively burn, sear, or destroy tissue. While often done with a pointed iron (hence, the name “pin-fire”), it also can be done using a horizontal iron bar to affect only the skin and not to extend into the underlying tendons. Alternatively, firing can be done with the iron dipped in liquid nitrogen and then applied to the horse’s leg, a procedure called freeze-firing.» —“Pinfiring proves obsolete” by Brian D. Nielsen Thoroughbred Times Nov. 21, 2006. (source: Double-Tongued Dictionary)
Further reading
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