i have made an implement having components as shown. i have mated them but when i dreag or moce the gold clous pin it only rotates while whloe should move or rotate no one is fixed except main frame and when i drag or move red it only moves around it pivot ponit with pin. and when move the last one it rotates around it pivot. i want that when i drag or move threaded pin all the parts should move as according to their mates but pin only rotates. what can i do????