A2 is the low

8642A > 86432

dont raise with low hands, unless you backdoor it and are sure nobody else has the same low

low hands work like this:

start with the highest card below 8 and work your way down.

best low hand: 5432A
worst low hand: 87654

note that a hand like 65432 > 8432A. it starts with the highest card when comparing