WHILE CLOSING A HAMMER BLIND ON SILO 16, EE WERE HAVING PROBLEM GETTING THE BLIND TO THROW. OTHER EE STARTED SHAKING TOP OF BLIND WHEN EE ASKED HIM TO STOP. OTHER DID NOT REALIZE WHAT HE HAS A SKED-HE GRABBED THE BOTTOM OF THE HAMMER BLIND AT THE SAME TIME OTHER PULLED THE TOP. CAUSED HE TO GET HIS RIGHT MIDDLE FINGER CAUGHT BETWEEN THE INSIDE OF THE HAMMER BLIND AND THE HOUSING.