sub box in coupe

[huevos]

I have 2 10's in a small box in the trunk of my coupe. What have you guys done to secure a sub box in a coupe? My box slides around when I go around turns. Any Suggestions?

[zero.counter]

Steel L-Brackets from home depot.

[WhiteNissanS13]

i did it this way, its kind ghetto. i removed the grey plastic lining that goes around the trunk, directly above the tail lights theres a hole. i used tiedown straps and wrapped it around the box to the other hole above the other taillight.