PGSS sign for FENCE1

FENCE1 (verb)
Hold 1st 1st finger hand, back forward and 1st finger pointing inward-upward, and put 2nd 1st finger hand, back forward and 1st finger pointing inward-upward, with mid knuckle of its 1st finger on front of mid knuckle of 1st finger of 1st hand; then jerk 2nd hand in vertical upwards-backwards semicircle 1st finger breadth diameter till mid knuckle of its 1st finger touches back of mid knuckle of 1st finger of 1st hand, and return to original position in vertical upwards-forwards semicircle.