Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
After checking and double-checking, I am unfortunately the bearer of some bad news:
The HLD-8 is exclusively and especially meant for use with the
Olympus e-M5 Mark II, not the
E-M10 Mark 2.
If it is a puzzle how to make the 2 go together, well, they may be completely incompatible. Look at these two pages: