"To reinforce the corners" means to make the corners stronger or more stable.
Sentences with «to reinforce the corners»
There's also a built - in screen protector, as well as reinforced corners for even more durability. (heavy.com)
The inclusion of air pockets and reinforced corners dramatically reduces the risk of damage to your device, but it inevitably adds bulk. (digitaltrends.com)
Sturdy wire construction with reinforced corner locks. (bestdogcrate.com)