Hey guys!! So this came up in the livestream earlier today and I meant to post it sooner than now! BUT YE HERE IT IS!

SO LET ME EXPLAIN.

1. Feet

CCCat feet are short. They stand on a unique, extra joint or "ball" of their feet and have two heels of sorts. This is because their arms are much larger than their hind legs and often prop them so high up that standing 'flat footed' would cause them to be unable to walk efficiently. Their feet have a smaller, yet semi-usable thumb claw as well.
- Just about every CCCat I've drawn up to this point has walked on the balls of their feet rather than true flat pose. The only possible exception would be ANGER-LER who is posed in a completely 2nd heel-flat manner.

2. Hands

Their hands also share this extra joint, however they often walk with flat hands due to how tall their arms are already. This extra joint is much more subtle and hardly ever excessively bent. It's only capability is to help grasp larger objects. Their knuckle location on their inner hand can basically reach their bottom palm, making it possible for their fingers to touch their wrist. This is simply because they've duplicated the extra joint from their feet, as their hands and feet are nearly identical.
- Every CCCat save for those with unique hands/feet have this joint, however it can be usually missed when drawn and often just looks like a long palm. Some call it a double-knuckle however two rows of knuckles aren't visible from the back of the hand.

3. Arms and Feral

Most CCCats stand upright these days, completely perking their upper body high and straightening out their arms as much as possible. - Small reminder, CCCats have humanoid torsos, shoulders, and arms. 
TRUE feral CCCats will keep their heads low, arms bowed, and widened in stance. CCCats are able to rotate their arms behind them unlike bears and can swivel their wrists nearly 270 degrees. Their scapular bones can be positioned to allow more room for such strange stances and often flare upright to compensate.
Reminder, all CCCats are capable of disfiguring their anatomy from bone to muscle to allow for temporarily broken-jointed flexibility.

4. Feral vs. Anthro

CCCats no matter their form have a humanoid torso/ribcage. Along with the ribs, they share clavicles, scapula, and nearly identical sternums, however their sternums often tend to be extended and they usually have large number of ribs.
CCCats are completely capable of temporarily standing upright while in a feral form, however they are unable to walk like this or balance for very long due to their short legs as well as their long arms and spine. Internally, the hip bone is also unfavorable to such a stance or balance.
Anthro CCCats make up for this by changing their appearance in numerous ways such as:
> Shortening spine
> Hip and leg bone change
> Lengthening their legs
It's completely possible for a CCCat to change their legs from digigrade to plantigrade, or walk on their true-heel in anthro form as well.

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These have always been tru facts but stuff I've never bothered to write down for others before SO!!
I hope they interest you guys and that for some reason it helps you!
If you guys have got any questions, feel free to ask 'em!