So I'm in the process of getting a harness installed, and discovered that the rear bolt/nut to remove the seat from the slider track have a hex key head that's inaccessible, which means theres no way to get the nyloc nut off. Am I missing something or am I going to have to cut a slot in the bolt?

Here's the bolt in question -

PXL_20260416_045516628.jpg

Thanks in advance for the sanity check!