How to put this on a players wrist like an accessory

How to put this on a players wrist like an accessory
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Use welds

But then the player gets stuck like this
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The part is anchored, also make sure its a massless

when i do that it disappears. Its not anchored and massless when it dissapears

Make sure that Part0 is the character’s arm.
This part is seen as the ‘original’ part, whereas Part1 is the attachment.

Weld.Part0 = game.Players.LocalPlayer.Character:WaitForChild("Right Arm")
Weld.Part1 = game.Players.LocalPlayer.Character:WaitForChild("ImplantTEST").PrimaryPart

This is the code controlling the weld. Is there something wrong with it?