The Savegame hacks for idle sword work really well, but there are a couple of things I wanted to share.

The hack for attackspeed doesnt always work, and may mess up your save - I think the flail (or other items which give a negative value to attackspeed) causes this - so remove them from your inventory first.

The hack for item value works but after using it the price of combinations skyrocketed until my next round where they returned to normal for new soulbound items, so it is only useful for raising clicker power.

Also the boosts to movespeed and attackspeed do not stay on the starting rings / assasin boots (the ones you automatically begin with when you start the game,) but they do stay on soulbound items when you progress to the next round.

 The boosts to attackspeed and movespeed do not affect the cost of combining items.