Related Clues:

• They trail along behind — hospital department hours being trimmed a long time
• Sects
• Devil-worshiping groups, e.g
• Niche religions
• Extreme factions
• Extremist sects
• "Rocky Horror" fans et al
• Bunches of believers
• Fanatical groups
• Niche sects
• Hardcore sects
• Obsessive groups
• Fanatical followings