
Kept: translucent hard-shell language, screws, strap hardware, red buckle energy. Dropped: Miku branding, impractical cosplay shape.
One outside container with a clean front logo plane; internally organized like a wearable desk.


Real usePhone, earbuds, card case, sample packets, small battery/cable. Convention / event / creator kit.
Opening while wornTop-hinged front lid opens upward 55° and stops on side check straps. Red top latch + secondary side safety latch.
Anti-dropDeep tray lip + elastic loops + seated phone compartment + cable grommet. Nothing loose.
Comfort / impactBroad padded spacer-mesh body-side panel, rounded lower edge, wide H-harness, lower anti-bounce strap.
ManufacturingFlat PC/acrylic front/back panels, green gasket/edge rail, screws/standoffs, metal load-spreader brackets, standard straps/buckles.
Remaining riskChest impact risk remains. Prototype needs foam thickness and blunt-force comfort testing before we call it real.
High-hip EDC case, not dangly thigh cosplay. Built for keys/cards/earbuds/wallet.


Real useWallet, cards, earbuds, keys, small tool/token. Everyday and convention carry.
Opening while wornTop/front lid opens to 90° on friction hinge + check straps. Red thumb latch mechanically tied to lid.
Anti-dropTray lip, elastic loops, card sleeve, earbud pocket, quiet key garage/pocket instead of dangling key.
Comfort / impactPadded spacer mesh body side, rounded shell, two locking belt clips spaced wide, optional high thigh stabilizer strap.
ManufacturingLine-bent PC/acrylic cover, flat side rails, screws/standoffs, Tek-Lok-style clips, webbing anchors, rubber bumpers.
Remaining riskStill boxy; needs cardboard/foam mockup to test sitting, doorframe snagging, and car-seat comfort.
Daily-life hard sling that opens like a controlled mobile tray, not a lunchbox that dumps.


Real usePhone, card vault, keys, earbuds, small shaker/sample packets. Best general-purpose wearable.
Opening while wornBottom/body-side hinge; lid opens upward/outward 65° with nylon gusset collar + check straps.
Anti-dropTray lip, elastic loops, phone sleeve, card-vault slot, key tether in quiet fabric pocket.
Comfort / impactPadded mesh back, rounded bumpers, wide seatbelt strap, metal load-spreader brackets, small stabilizer strap.
ManufacturingLaser-cut/line-bent PC/acrylic panels, standard hinges/latches/straps, metal brackets, foam/mesh back panel.
Remaining riskHinge/check-strap anchors need reinforced metal, especially if people carry a heavy bottle/tub.