In ancient Rome, small towers were erected at crossroads to house the Lares Compitalicii , guardian spirits to whom offerings were left. The shrines provided a focus for the religious and social life of their community, particularly for the lower classes. This may be the origin of the concept of Watchtowers in Western magic. There were many different types of Lares , or guardian spirits, in ancient Rome. The concept of familiar spirits may be based on the Lares Familiares, guardian spirits of the household. A shrine was usually kept to the household Lar near the hearth or in a corner of the atrium, in the form of a cupboard or niche containing a small statue or painting. The familiar spirits were called upon as witnesses for important family occasions such as coming-of-age rituals, marriages, births and adoptions. Offerings such as spelt wheat and grain-garlands, honey cakes and honeycombs, grapes and first fruits, wine and incense were presented to the Lares. If any food fell on...