Step 4.
To insert the rail into the holder, 1st press the knob (4-1) which will lower the barrier
(4-2) allow-ing the rail to be inserted (4-3). Once the rail is inserted, release the
knob (4-4) and tighten to lock into place (4-5).
Note: Make sure the locks on both sides of the vertical bars which hold up the rails
are aligned to ensure the rails are lined up correctly.
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