Some vehicles have a detachable flange available offering the benefits of a detachable towbar with the versatility of a flange towbar:
The most common style of detachable towbar and becoming ever more popular with the increase in parking sensors (on most newer cars):
This type of towbar is the UK’s most common style of towbar and can be used with a range of towbar mounted accessories:
This type of towbar is becoming more common in the UK, it is less likely to be picked by reverse sensors: