Angle nozzles are frequently used to clean hard to reach place.
Tungsten Carbide 90 Degree Angle Nozzle 1-Outlet UAM-5X1A90, 5/16" Bore, 3" Long
Blastmaster 10BDT0908 90 Degree Angle Blast Nozzle 1/2" Orifice Tungsten...
1pc for raise tungsten steel 90 95 105 degree small head flat milling cutter
Lisle 81960 Carbide Scraper, 5/8" Blade, 8" Overall Length, Tungsten Carbide Tip
Lisle 81990 1-1/4" Carbide Scraper, 8" Length, Tungsten Carbide Tip