Adding more bottles to the line allows multiple samples
with one deployment. To do this, you will need to tie a
piece of nylon line to all drop messengers, except for
the very first messenger. These lines loop around the
trigger pin on the bottle and when the first messenger
triggers the release mechanism, it closes the sample
tube and releases the secondary messenger, which
descends the line to trigger a sampler positioned lower
down the line. Using this method, you can string
together as many samplers along the line as you like.
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