https://www.google.ca/amp/s/www.vic...lations-and-blood-rituals-0000504-v21n11

One enters the upper house of the local, the Società Maggiore, as a santista (the name refers to his being part of the Società Santa). A rung above him is the vangelo (gospel), so called because he swore loyalty to the 'Ndrangheta with one hand on the Bible (a tattooed cross marks his left shoulder). Next is the trequartino (three quarters), who has privileged access to three quarters of the organization (he has a cross on his right shoulder and an emerald rose under his foot).

This article talk about a cross tattoos and a rose under the foot.
Does it means the ndrangheta has special tattoos with specific meanings?