Returning to the defensive position he’d chosen, Lupo nestles behind the cover before replying to Biff.

“How to use the gun or the mag boots? The gun’s easy, point the shooty end at the bad guys. With the mag boots you have to be careful, accidentally set them to opposite polarities and you’ll blow your legs off your pelvis if you put your feet too close together. Saw it happen once. Nasty, blood everywhere but the guy got some nice prosthetics.”

Lupo flashes Biff a look of pure innocent inquiry.

“You did remember to reverse the polarities, right?”