Pink triangle and the LGBT rights movement. In Nazi concentration camps, each prisoner was required to wear a downward-pointing, equilateral triangular cloth badge on their chest, the color of which identified the reason for their imprisonment. Early on, homosexual male prisoners were variously identified with a green triangle (indicating criminals) or red triangle (political prisoners), the number "175" (referring to Paragraph 175, the section of the German penal code criminalizing homosexual activity), or the letter "A" (which stood for "Arschficker", literally "ass fucker"). Later, the use of a pink triangle was established for prisoners identified as homosexual men, which also included bisexual
Rainbow flag (LGBT movement) rainbow flag has found wide application on all manner of products. The rainbow flag colors are routinely used as a show of LGBT identity and solidarity. The rainbow colors have become so widely recognized as a symbol of LGBT pride and identity that they have effectively replaced most other LGBT symbols, including the Greek letter lambda and the pink triangle. One common item of jewelry is the "pride necklace" or "freedom rings", consisting of six rings, one of each color, on a chain. Other variants range from key chains to candles. In Montreal, the entrance to Beaudry metro station, which