This is not difficult to solve, it is very simple, you can operate it yourself!

You can find two rectangular fittings with the same size and hole, and insert three thin wires irregularly on the fittings many times (to increase resistance and prevent tripping).

Then tie the thread ends together and put them into a professional colored decorative tube (which plays the role of shielding the thread ends and is beautiful and elegant).

(Note: Ordinary two-dollar stores have the above materials, which are cheap and easy to buy)!