Completely ignoring that fucking crazy statement from the video:
Yes, it can contain meat. But you normally start somewhere at around 5months with only single types of veggies, so you can check allergies and also it’s easier for their digestion. I think you normally do not start any meat before 8 or 9 months.
Yeah, turning it a bit to the side is no big deal.
However, I recently found out that this makes drinking things a little more viscous absolutely impossible without messing up your shit.
I drank a Kefir, which you normally shake before drinking. So there is a lot of it clinging to the inside of the cap for dear life - up until to that very moment you take a sip. Then, it decides that it had enough and spills on your clothes, face, shoes - whatever the fuck it can possibly get to.
So either you need a glass, let it sit until the cap is mostly empty or lick that cap and look like a complete degenerate.