Hand Roll Piano 49k Review - should I get one?

Here I look an the extremely portable Hand Roll Piano design,
who is it good for? what are its pros and cons?
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Trev

[@heinerjeanhauser1]

Eemmm,emm,emm,emm

[@Iv4n_jxsh]

Emmmm

[@napj3721]

Thanks I chose not to give it to a student. It could be harmful and limitedl for the students technique

[@lemao8304]

it sucks, don't buy it!