-- Get the Players service
local Players = game:GetService("Players")

-- Get the player
local player = Players.LocalPlayer

-- Get the character
local character = player.Character

-- Check if the character exists
if character then
    -- Get the Right Arm
    local rightArm = character:FindFirstChild("Right Arm") or character:FindFirstChild("RightUpperArm")

    -- Check if the Right Arm exists
    if rightArm then
        -- Make the Right Arm very heavy
        rightArm.CustomPhysicalProperties = PhysicalProperties.new(15, 0.3, 0.3, 1, 0.3)
    end
end