{TAIL ~ said hook latch} is formed with {HEAD ~ a tunnel}, said spring biasing means traverses said tunnel, another return spring operatively biases said hook latch and engages the latter in said tunnel 
{ TAIL ~ said hook latch } is formed with { HEAD ~ a tunnel } , said spring biasing means traverses said tunnel , another return spring operatively biases said hook latch and engages the latter in said tunnel
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH