The best replacement for lockers is limited slip.

The best alternatives to lockers are rated as following:
★★★★★  limited slip
★  winch
★  no lockers
★  backpacks
★  trunks
★  electric lockers
★  locking hubs
★  arb
★  air lockers
  atrac
  posi
  spools
  cubbies
  arb lockers

Your alternative for lockers is not listed? Suggest!
Speaking about lockers, one probably shouldn't forget about combination locks.

Other search terms related to lockers and their ratings are:
★★★★★ combination locks
You have in mind a companion for lockers and it is not yet here? Propose!



Google Trends

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lockers
limited slip
winch