This Pocket Sax was even more than I expected in regards to appearance, design.?
?Easy to play.?
?With an incredibly rich, full sound.?

https://www.purefeel.shop/products/mini-pocket-bb-saxophone

 

top octave straight harp is fun if you can blow bend or want to practice it:

blues scale is +7 +8′ -9 +9′ +9 +10″ +10.

middle octave is overblow heavy for blues and bottom octave needs a 1 hole overblow for the minor third.

source: https://www.reddit.com/r/harmonica/comments/9xc2ao/1st_position_blues/