This is a guide to disabling the trap in The Disappearing Poet in Thief 2014.

Getting into the Watch Customs Office in A Grave Matter: http://wp.me/p1SfP0-1If
All side mission guides: http://wp.me/P1SfP0-1Hf
All Thief guides: http://wp.me/P1SfP0-1FJ

Disabling the Trap

To disable the trap to get into the cupboard to retrieve the poet’s last pieces go through the window to the left of the cupboard:

Go through the Indicated Window to Disable the Trap in The Disappearing Poet in Thief 2014

Jump to the walkway to the right and disable the trap with the wirecutter. Now you can open the cupboard.