Regal 53 SC Owner's Manual page 541

Technical Information
NOTICE TO BOAT OWNER/LIFT OPERATOR:
BEFORE LIFTING BOAT PLACE FENDER OR BLOCK BETWEEN STRAP AND
HULL JUST UNDER THE SWIM PLATFORM SIDE WING (BOTH PORT AND
STBD.) TO RELIEVE STRAP PRESSURE ON WING WHEN LIFTING BOAT.
WHEN FENDER POSITIONED CORRECTLY STRAP SHALL NOT PUT PRESSURE
ON SIDE WING WHEN FULL WEIGHT IS APPLIED.
53 SC TYPICAL BOAT LIFTING LOCATIONS ZEUS DRIVES)
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