https://www.amazon.co.jp/-/en/4571335880835/dp/B0DNDTXTFP/ref=sr_1_21?crid=2SMV84GMMCWRC&dib=eyJ2IjoiMSJ9.a78bQh-t0QYKUdn3muSl_lHiwCF7NxIqbbTPg5Zx1jen3TRslaDKIWIw1cVHhsCQ__qP6IYAI8tRShfCntrb7RV_6UPlacOKrLxPYZriEJEzxXApYzbUk63lk7fBCNHp06IThyokVYYBfdm3mp2zz949Jh6fxIm81zbiWhvHfzplHsbavr0n4CJnbJTQjnILYmxhYBpBcsZxyrg4zg3KH7GilzDBvSN6fLRZT9vE-Ae_xgsIl-kszvk9mPgQ_mK9iwZCIFsmMnez0YGBld4uNYSGSbxr7aC8JWIsdxkTbfk.Zdi-1P-PGgWxhORAtp2gZba_j2UQwlnatmTScaQReaQ&dib_tag=se&keywords=riobot&qid=1732246990&s=specialty-aps&sprefix=riobot%2Cspecialty-aps%2C194&sr=8-21&srs=3534638051
Found it on Amazon JP
I am using fishing line to hold up the yf 29, its been up for a few years already, i place the line into the grooves on the plane so as to not damage the plane.