1, nunchakus are not controlled devices, so it is not illegal to take them out, but it is better not to take them. We live in a society ruled by law, so there is no need to carry this thing every day.

2. Control instruments refer to dagger heads, triangular knives (including triangular scrapers for processing), spring knives with self-locking devices (jumping knives) and similar single-edged, double-edged and triangular sharp knives.