Janome's hello kitty is a great machine.
there are a lot of guards made, generally they fit in the needle post were you can put one of these guides for quilting even distances.
lots of images here
https://www.google.com/search?q=need...w=1366&bih=625
I'm all about vision so don't want anything in front of my eyes.
And we've heard lots of stories here about adults running the needle through their finger...it is all about attention I think?