The women is on all fours with her hips in the air, and the man is squatting over her legs with his legs to the side 180 degrees. They begin soaking and crab walking back and forth with the man controlling the direction of motion by pinching the women’s nipple(left or right) depending the direction he wants to move in.
“When I visited my girlfriend at BYU we did the Utah Spider Crab, it was awesome.”