Night Optics Falcon 6x Gen 3 Gated Long-Range Night Vision Binocular - Manual (Page 85)

2-50
Figure 2-16. Buckle and Catch.
NOTE
Steps 6 and 7 describe the installation of the nape
strap to the chinstrap. To accomplish these steps,
it may be necessary to unthread the chinstrap
from the helmet.
(6) Thread chinstrap through right end of nape strap and
snap nape strap fastener tab closed (refer to Figure 2-17).