ebows are interesting though i don't use one and don't really have much interest to. not saying there aren't useful as there is a delicate balance of use and overuse of anything... as for me the closest thing i do that may resemble bowing or an ebow is more physical by either activating the pick ups or strings them selves, i do use a bowing type technique on the strings using a screwdriver there is a definite technique to it to get the most interesting drones and tones (i guess this is a rip from GY!BE among others)...
but obviously do what you like, just be aware of overdoing it...
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