*still very unsure of this new guest and his strangely pleasant ease speaking with Barty, Regulus is taken slightly aback when spoken to directly; he had always been a nervous boy but in life he could cover some of it up in the presence of company, now his fingers skirt around the handles of the cart under this casual scrutiny*

It's rusted. If you would like to give it a pull I'm sure you'll find it's very difficult to move.