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