First things first

Before any tool is bought or made it will have to be blessed with purified water. This is done with the Asperer.

The Asperser or Sprinkler

Verum says: Make an Asperser of Mint, Marjoram and Rosemary, tied with thread spun by a virgin girl, which will serve in all operations. It should be made in the day and hour of Mercury, while the Moon waxing.

Now, the first problem is virgin girls. :) Personally, I was thinking I would spin my own thread. I know, I am neither a girl nor a virgin, but come on, if the Spirits are that picky they can find their own virgins.

In the Key of Solomon, there is a similar instruction: "...make unto thyself a Sprinkler of Vervain, Fennel, Lavender, Sage, Valerian, Mint, Garden-Basil, Rosemary and Hyssop, gathered in the day and hour of Mercury, the Moon being in her increase. Bind together these herbs with a thread spun by a young maiden, and engrave upon the handle the characters shown."

Of note is the absence of Marjoram from KOS, but the absence of Vervain, Fennel, Lavender, Sage, Valerian, Garden-Basil, and Hyssop from Verum. However, what I do find interesting is that only Rosemary, Mint and Marjoram get both a planetary and fixed star mention in Agrippa's Three Books of Occult Philosophy. Rosemary gets the Moon and Alphecca, Mint gets Jupiter and Capella, whilst Marjoram gets Mercury and Deneb Algedi . None of the other herbs mentioned above get mentioned twice like this. It may be an idea to cut each herb as its Fixed Star rises.

Anyhow, Mint, Rosemary and Marjorum are all really easy to grow and all are now in my garden.