Mix together celery seed, fennel, and lemongrass. Place them in a small, light-blue cloth circle, and tie with a white string. Feel your sacred circle around you, and visualize Mercury fringed in golden light with winged helmet and shoes. Say:

Hermes, thrice blessed,
I thank you for your
presence in my life.
Grant me ease of travel and communications.
Help me to be quick and clear of mind and speech.

See him reach out and touch your bag, imparting some of his golden light to it before flying off. Carry the bag with you throughout the day.