Strange...

[MuskieBait]

OK, hm...

Sounds like the sharp edges of the spoon is causing the issue. Try using a snap. If you are still snapping off easily, then you know it is an issue with the line (or the sharp edges of the spoon).

How long have you had the line? I usually change my mono every 1-2 years. Usually, by that time, my spool will only be half full and I'll strip off all the mono and spool on new line. (I don't like to splice new line onto the rest of the spool...that knot often catches the line during a cast...plus the knot is somehow tied badly (hardly ever), it'll cost me when it matters...that is, a fish that empties half you spool if not more. I can get 1700 yards of 8lb Berkley Big Game mono for $10...that's about 8 full line changes if I load 200 yards on the spool...so I don't worry about cost at all).