7
8
9
Lead the assist lines through the loops of the #2 flap. In
order to facilitate closing it may be a good idea to use
temporary pins beside assist lines.
Lead the assist lines through the loops of the #3 flap,
with optional use of temporary pins.
Close the container with regular pins and remove assist
lines. Put them under the pins first, so that container
loops are not damaged by friction as shown below.