SEEDS FOUND DURING TRIMMING

At some point during flower the plant experienced some type of stress or stressor that caused the plant too self pollinate. Sometimes just a general glance to check for obvious "Herms" or "Nanners" may not be enough. You sometimes have too dig to find them.

they could have been popped under layers of calyxes and unseen. Easy to miss a couple near surface, too. As long as it's a rare seed, no big deal.. with some strains you can expect it to happen, while others stay cleaner. If you pulled a nanner than touched another bud, that's a good chance too. Just the act of pulling a nanner will potentially put some pollen in the air. if you pay attention while smoking, i bet you find a nanner or sac.