Adders Multiplying
Like all good lovers, they start from the head.
The answer is an English word. You'll know it's right when you have it. To check your answer, remove the trailing slash from this page's URL and add "-xxxxx", where "xxxxx" is the answer in all lowercase. If you've tried it and are really stuck, the solution is here, though I'd ask that you feel slightly sheepish when clicking the link.