Allay sometimes twitches, taking a strange position for a second

Summary:
Allay sometimes twitches, taking a strange position for a second. It seems to happen by accident. It's easy to see this by following Allay a bit in an enclosed space.

Steps to reproduce:

1. Summon Allay.

2. Watch him.

Observed results:
Sometimes Allay twitches, assuming a strange position for a second.

Expected results:
Allay shouldn't twitch.

Video:

Image: