Depends what your trying to achieve? Losing a fine tip to help turn over for a tip like a afs. Then the front.If you're going to cut from a shooting head, well in the very first and most important instance be absolutely sure you NEED to be cutting, because once it's cut, you can't put it back on!.
So if you're absolutely sure you need to cut, well you cut from the back end every single time, and don't cut all at once, try Two smaller separate cuts-do it in stages, cut and try, and if needs be cut and try again.
Were I you before you get the scissors out I'd ask about on here 1st,what rod have you got and what size and make of head is it. £ to a p some one will have the same gear and just possible can give you the exact specifics you need before you start lobbing bits off and filling the waste bin!.
Exercise caution from the off, better than tears at bed time!.
Depends what your trying to achieve? Losing a fine tip to help turn over for a tip like a afs. Then the front.
If to adjust the weight? Then the rear