yes
they wear invisibility cloaks.
Physicists said that Harry Potter-style optical invisibility cloaks would be impossible to build.
Giving them invisibility cloaks. Other than that, nothing.
There is only one true cloak of invisibility which belonged to Harry Potter. Other cloaks existed, but the charm either wasn't as effective or wore off after time.
The cloak is a cloak of invisibility. But it's different then other cloaks of invisibility because the invisibility spell lasts forever.
There are types of aluminum and carbon crystals that can be seen through. Then there is meta-materials, like invisibility cloaks, but they are beyond our current technology.
they use a bow and arrow, and also a chainsaw, they can also fly and have x-ray vision, lastly they all have cloaks of invisibility
enchanted coins, howler, deluminator (put-outer), invisibility cloaks, hand of glory, elder wand, resurrection stone, and Horcruxes.
Well it depends what view you look at it from. Most people don't get 50p for their Christmas but they also don't get Invisibility Cloaks and Chocolate Frogs that can actually jump.
Invisibility, possibly!
According to the legend of the three brothers, Death had the invisibility cloak and gave it to the youngest of the three. Most invisibility cloaks were woven from the long, fine, silky, silvery hair of the Demiguise, an animal found with great difficulty in the Far East.
Some uninvented things could include teleportation devices, time machines, and invisibility cloaks. These concepts are popular in science fiction but have not been successfully created in reality.