Both dump defenders sag all the way into the throwing lanes, regardless of open (3) or break (1) side. They DO NOT try to have it both ways on covering their person and halfway poaching the lane - this is a full, committed poach. Cutter defenders can take an extra step deep initially to prevent the early huck, as they have help under, although as soon as the disc moves to the sideline they need to be playing honest.
If the disc swing to the force sideline...
The new mark (3) swings a little bit out towards the sideline first to prevent immediate throws to a wide open lane, especially hucks, before veering in to set the mark and maintain the force. Meanwhile the previous mark (2) backpedals immediately into the center space to prevent the new thrower from breaking back to the middle/upfield space.
The far side dump defender (1) remains poachy, and may attempt to sneak up and D a floaty swing to the center handler, as the swinging handlers may only notice how poached (2) is, assuming the swing is wide open. The force-side cutter defenders, (6) and (7), may be able to bracket the open side space, with (7) taking the under and (6) taking the deep.
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