Glad to share this info!
I’m buying 
Firehouse Dual strobes direct from Firehouse (link). They were first marketed as “CREE 2” strobes, which may be important when selecting a mount.
I started off with white, and attach to various locations on various drones using self-stick velcro patches. Gotta’ be firm with the velcro, wiggle the strobe around to be sure it’s fully engaged. Some people have had strobes fall off.
Primary location is on the back of the drone for daytime, on top for night. If I really lose visual, I yaw the drone around until I pick it up, then fly backwards toward my position.
Most recently I’ve been having visual awareness problems with the 
Mini 2. Smaller than any drone I’ve spent much time with. I slapped my usual velcro on the back & top… which has been good!
I just added Firehouse Dual Red and Green strobes to the front motor arms, using 
3D-printed mounts from Aerial Pixel (link). Those haven’t been up in the air on the 
Mini 2 yet. I never wanted them for larger drones.
Yesterday I caught this thread:
	
	
		
			
			
				
				I finished some mounts for the Mavic Mini, Mini SE and 
Mini 2. These are top and bottom mounts for the VIFLY strobe lights. They are pretty cheap, have many modes and colors. They work as navigation lights or anti-collision lights. I'm working on leg mounts as well but I'm not happy yet with the...
 
				
					
						
							
						
					
					mavicpilots.com
				
 
			 
		 
	 
It has info about a forum sponsor supplying mounts, and vifly strobes. Looks interesting, if I need more I’ll probably check out the vifly.
PS. I did get an FAA reg for the 
Mini 2, to handle a variety of accessories that push it over 250g. For $5 I don’t have to worry about the weight limit when I mount 3 strobes and 2 mounts…