#12 - #10 Barbless and barbed hooks compatible An essential item for managed fishing. This is a pull-resistant, bead-head fly. It's an all-around fly that you can enjoy experimenting with, such as making it swim by shaking the head, letting it sink to entice a bite, or using a marker to twitch it. It's an all-around fly that you can enjoy experimenting with, such as making it swim by shaking the head, letting it sink to entice a bite, or using a marker to twitch it.