1 (1) A weight of 9 kg (20 pounds).
(2) A three-pronged claw hook (see Figure 1).
(3) A supporting disc with a circular hole that is 25.4 mm (1 inch) in diameter.
(4) A supporting disc with a circular hole that is 38.1 mm (1½ inches) in diameter.
2 (1) Attach the claw hook to the eye or nose.
(2) Support the disc in a horizontal position and pass the claw through the 25.4 mm (1 inch) diameter hole. If the opening provides insufficient clearance for the passage of the eye with the claw attached, or the nose with the claw attached, use the disc with the 38.1 mm (1½ inch) diameter hole.
(3) Attach the weight to the claw hook, gradually releasing the weight over a period of approximately 5 seconds and leaving it freely suspended for a period of 5 minutes, measured from the time of first applying the load.
(4) Repeat steps (1) to (3) for every eye or nose.
(Dimensions are in inches: 1 inch = 25.4 mm)
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