Methods and devices to process harvested skin tissue and to immediately reintroduce the ground tissue into the patient to repair a tissue defect are disclosed. Exemplary embodiments of an arrow fletching device with a plate clamp are, generally, jig apparatuses operable to precisely position an arrow shaft relative to an arrow fletching. The contact-pin inserting port 35 is formed in such a manner as to cut away an edge portion of the connection port.