LEGO Hinge Brick 1x4 Top & Bottom (Pack of 2) Choose Colour - Design 3830 & 3831 | eBay
LEGO Hinge Plate 1 x 4 (19954 / 73983) | Brick Owl - LEGO Marketplace
Smartable Hinge Brick 1x2 Base+ Hinge Brick 2x2 Building Blocks Moc Parts Brick Toys For Kids Compatible 3937+6134 40pcs/lot - Blocks - AliExpress
BrickLink - Part 2429c01 : LEGO Hinge Plate 1 x 4 Swivel (2429 / 2430) [ Hinge] - BrickLink Reference Catalog
LEGO Medium Stone Gray Hinge Plate 1 x 4 (1927 / 19954) | Brick Owl - LEGO Marketplace
On the history of hinges. Why, and when, did LEGO swap from those on the left to the other? I assumed at first it was a strength thing, but I'm cleaning up