What does 쇠사슬 look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add 쇠사슬?

Google first drew 쇠사슬 in Android 6.0.1, released 2015년 12월 6일.

Google LLC has shipped 18 versions of 쇠사슬. Each is dated, so you can see when the design changed.

Google Android 7.1

This is the design Google introduced in Android 7.0, shipped again unchanged. It was not redrawn for this release.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does 쇠사슬 look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add 쇠사슬?: Google first drew 쇠사슬 in Android 6.0.1, released 2015년 12월 6일.
How many times has Google redrawn 쇠사슬?: Google LLC has shipped 18 versions of 쇠사슬. Each is dated, so you can see when the design changed.