either is fine
i have found that most of the time when someone says they are having a hard time getting donut in or band it is due to them using the wrong donut size since there are to weights of cast "thickness"
just be careful not to break next leaded joint
"be careful at listening to just one persons advise" said me
"be careful at listening to just one persons advise" said myself
p.s. not all i say is a fact but not all i say is my opinion.