Yes lots of tricks. Picking/strumming close to the bridge versus at the middle. Pinched harmonics. Strumming past the nut. Natural harmonics at nodes of overton

Yes lots of tricks. Picking/strumming close to the bridge versus at the middle. Pinched harmonics. Strumming past the nut. Natural harmonics at nodes of overtones. Exciting the strings by hitting body instead of strings.