It can be obtained from the mushroom (toadstool) Amanita Muscaria and others.
It can also be obtained from the toad Bufo Alvarius, and others.
Amanita Muscaria is the lovely red capped mushroom with white polka dots that often appears in paintings accompanying Fairy Tales, such as Alice in Wonderland. One side makes you bigger, the other side makes you smaller!
Of course, the toad and the mushroom are two glass beads, but many more beads are needed to create a tapestry.
Albert Most, founder of the Church of the Toad of Light, published Bufo alvarius: The Psychedelic Toad of the Sonoran Desert, which described how to extract and smoke the secretions.
The toad or frog has other characteristics than its inexplicable drug. One may consider connections to Neptune and to the myth of being a bewitched prince, two more beads. When kissed, the frog turns into a prince. When the mushroom is kissed (deeply enough!), the one who kissed it turns into something else, temporarily illuminated, perhaps a Man of Knowledge. There is the connection of this particular mushroom with the foundation of many religions, and many personal transformation, many more beads.
There is a fresco in the Plaincourault Abbey in France, from the 13th century, which depicts Adam
and Eve in the Garden of Eden at the Tree of Knowledge. Recall that there were two trees. Originally, Adam and Eve ate of the fruit of the tree of knowledge of good and evil, and perhaps this is that tree:
Because of the well-known psychedelic reputation of the Amanita
Muscaria, it is more likely that this is the fruit of the Tree of Life. A common
ecstatic experience from eating this fruit is the awareness of one's
immortality and oneness with God. As God said, "Behold, the man is
become as one of us, to know good and evil: and now, lest he put forth
his hand, and take also of the tree of life, and eat, and live for
ever..."
