No need to "jury" rig anything. A hex shank bit in a nut driver handle works great. I got a cheap $15 Wheeler screwdriver set with me all the time but all you need is a 1/4" nut driver. Harbor Freight has el cheapo 1/4" rachets that work well too for like $3.
https://www.harborfreight.com/8-piec...ver-92630.html