Iyo yechinyakare mwenje danda iri nyore kuita ngura, chii chakanyanya, dhizaini haina kusiyana, iyo nzvimbo yakashata, mutengo wekuumbwa wakakwira, uye nharaunda-inodzivirira yakashata, nezvimwe.
MJ inopa ine patent nyowani yakasarudzika chimiro simbi yealuminium pole yakabudirira kugadzirisa matambudziko ari pamusoro, dhizaini uye dhizaini yemazuva ano inoita kuti danda remwenje rive nechitarisiko chakanaka. Inogona kuenzanisa masitaera akasiyana emarambi, anoshandiswa zvakanyanya uye anofarirwa nemusika.