Honestly I'm also not that familiar with how to use arrows effectively either XD. One of my common ways of using them is basically if I've thrown my boomerang and I need to get another projectile into my opponents space, since bomb isn't fast enough. What I end up doing sometimes a lot is when my opponent is between me and a returning boomerang (Returning Rang, or RR for short, I like that abbreviation XD), I'll shoot an arrow, they get pushed back into RR and I can run in with a JC Up-Smash or grab. My friend Halfy have demonstrated a few useful techniques with them such as using them to assist your approach, like jumping forward and shooting an arrow if your opponent is in the air. Here's a clip of it in action (Watch the red Toon Link:
https://youtu.be/21laiOiL70o?t=58s)
Here's also one of my matches, albeit fairly old, of me finding usage in arrows in the Robin matchup at my local one day. In that entire match I had not used arrows, but at 10:39 I started using them and they were providing some effective pressure. It might give you some ideas for how they can be used:
https://youtu.be/a5W3DZOodH0?t=10m37s.
There are a lot of advanced techniques with arrows, such as B-reverse and Wavebounce arrows (Works with boomerang too). My Smash Corner has a video on that as well (
https://youtu.be/Vw1elkJwtDo), though I personally don't use them too often, mostly from not practicing them. They are extremely useful however and some of the best uses for arrows.
If Jab works for you in those situations, by all means keep using it. If a strategy works on an opponent, no need to change what works
. The only thing that worries me is if you try to approach with Jab, which can be risky. But again, if it works, and you can find a good usage for it, then keep going XD. In fact, try using D-tilt as well. It's about as fast as Jab and it also knocks opponents away and you have more time to act after. D-tilt to Dash attack is a true combo at lower %'s too. I personally like D-tilt a lot and I like using it to push opponents away who think they can punish my lag from attacks. Using both Jab and D-tilt in the right situations is a good thing. The more options you have, the better
Part of faster movement is yes, not hesitating, but also moving around intelligently. I think in the clips I shared above, you can see both of us always moving and being in the positions we want to be on the ground. The more you move, the more options you open up for yourself to cover your opponents. And as Toon Link, with bombs and boomerangs to cover so many angles, you can cover a lot of space. Try throwing boomerang out more into your opponents area. Pull out bombs and throw them into your opponents space too. It's a good way to start, by moving around and throwing projectiles in places to interfere with your opponents. And try it on characters who can't reflect, since you're looking to understand the concept before trying to handle difficult opponents like that XD. It's a bit of an abstract concept so I apologize if I'm not describing it properly, let me know if I should reword it or anything.
Another great Toon Link I should mention is Zan. He's one of, if not the most technical high-ranked Toon Link player. He makes great use of B-reverses, Wavebounces, and honestly a master of technicality and fluidity. Here's a video he shared himself and he's damn good in it, especially Game 2. Even his handwarmer is awe-inspiring XD:
https://www.youtube.com/watch?v=3t2QsX51KR4. Should also mention that the advanced technique, Bomb Fake-Out (BFO) is also his favourite. Look up some tutorials on that, I can't honestly recommend one since I don't use it either XD.
Oh look at that another essay. Whoops LOL. Well hope it was helpful regardless XD