Aluminum Hooks were widespread throughout this specialty apparel store. Just as widespread were hooks failures due to the malleable nature of the soft Aluminum. Judging from other posts, merely increasing the gauge does not solve the problem.

For discussion of material and strength issues see…
Aluminum Fixtures Strength and Cost

For noteworthy fixture failures see…
Gondola Base Deck Takes a Hit” (This Post)
Aluminum Boxer-Style Hook Failure
Misshapen Aluminum Hooks
Malleable Aluminum Grid Hooks
So Sorry. Aluminum Hook in Play
Faceout Failure on Slatwire
Failed Reverse Waterfall Hook
How to Avoid Frontwire Sag
Plastic Grid Hooks Fail
Rare Hook Lug Failure
Hook Lug Failure Redux
Plastic Hook Innovates But Falls Short
Hook has Two Monkey Load Limit
Plastic Hooks Beyond Limits
Anti-Theft Fixture Failure
Productstop Fails Christmas Crush
Label Holder Wrecks Store Image
Sidesaddle Label Holder Fails
Ideas Wanted: Retail Guard Rail

For a visual Pinterest Board summary see…
Failures in Fixtures

For a great selection of Grid posts see…
Curved Grid and Grid Hook
V-Back Loop Hook for Grid
Diagonal Grid with Custom Hook
Speaker Platforms for Wire Grid
Grid Backplates: Plate vs Wire
Green Grid Hosts Grey All Wire Hooks
Corded, Drop-Shadowed, 4″ Grid
V-Back Grid Display Hook
Butt Welded J-Hook for Grid
Pin-Up Hook for Wire Grid.
Hybrid Grid / Bar Hook
Rare Anti-Sweep Grid Hook
Malleable Aluminum Grid Hooks
Grid Hook Lacks Grid
Zip-Tied Grid Hook
Grid Hook on Inverted Basket
Primitive But Creative Display
Grid Backplate Transforms Display
Elbow Faceout for Grid Turns Right Angle
Grid-Based Open Wire Shelf
Coffin Case Median Grid
Boots Hanging or Free-Standing
Savvy Auto Salon Sells Via Grid
Baseball Bals Tethered to Grid
Hang Tag As Grid Back Tag
Umbrella Waterfall Rack for Grid
Pin-Up Hook as Grid Mount

For a Pinterest Board visual summary see…
Hooks: Grid Concepts and Hooks in Retail

SEARCH “Best Practices” for general fixture advice.