What does コントロールつまみ look like on LG?

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

When did LG add コントロールつまみ?

LG first drew コントロールつまみ in G4, released 2015年5月17日.

LG Electronics has shipped 3 versions of コントロールつまみ. Each is dated, so you can see when the design changed.

LG G4

LG shipped a new design for コントロールつまみ in G4, released 2015年5月17日. The previous design is shown beside it.

The first LG release we hold for this emoji.

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

What does コントロールつまみ look like on LG?: On LG it is the design shipped in Velvet, shown above at full size. Older revisions are listed beneath it.
When did LG add コントロールつまみ?: LG first drew コントロールつまみ in G4, released 2015年5月17日.
How many times has LG redrawn コントロールつまみ?: LG Electronics has shipped 3 versions of コントロールつまみ. Each is dated, so you can see when the design changed.