How to Ground A B.O.W Hand?

[ᴚƎᗡN∀˥⊥∩O]

There's a medal in Jake's final campaign that require to ground a rasklapanje hand in the grinder. Sure, sounds easy enough...it's NOT.
I'm aware I have to just pick up the hand then put it grinder, but certain actions hinders the progress e.g picking the hand up, then throw it away. Even I stand next to the grinder to let the hand get close to me, stupid A.I partner shoot the thing off.
Then I've watch a "How To" video of other players doing it, I found out that we can grab and hold the hand long enough to walk to the grinder to grind it. How do I do that grab\hold action?

[wernerhoerz]

Yes. It´s only luck. I use keyboard and mouse. No controller. You can hold/grab only with the one action-button "RT" ???? for controller or "Left Mouse-button" for keyboard user, that showed you, but the trigger to put the hand in something is luck. Not more. I get this medal with only luck. In a run, I had luck to grab the hand and put it in the microwave or grinder (Chris campaign in the small kitchen where are you traped for a little time and fight with a rasclapanje). The chance to become this medal is for me 1 to 100. But one is right. You need to stay near enough at the stuff to put the hand in. But the rest is only luck to trigger this automatic actionpart. You can try it in Leon, Chris and Ada campaign chapter 4. My experience is, that Jake Campaign very hard to get this medal and had more luck in the other campaign to do this.

[Dfactor]

Hand actions are much more simple than that.

All you need to do is lure it next to the grinder and pick it up. You will automatically toss it in.
Same goes for toilets, boiling pots, microwaves and electric chambers.

The determining factor here is the proximity to an item with which you can interact.
If you're close enough you'll perform the action with the environment. If you're too far away you'll just throw the hand.