Arts to mix with Ju Jitsu

I would like to have suggestions on which fighting styles to mix with Ju Jitsu for a good all round system. I have considered Muay Thai so far because it has no grappelling.

Concentration, relaxation, mental and physical conditioning

question answered.

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Robsco!

'I'm sure your style is impressive on other planets, however, your weak link is that this is Earth'

ninjitsu

pain is temporary, pride is forever.

Short fist chinese styles like Wing Chun and Fut Gar - It likely if you're applying your Jitsu, you're going to be getting in close instictively.

I just want you to know; that when you pass out; this isn't over.

origami

pain is temporary, pride is forever.