First, pull out one side of the clamp. Then snap it into the slot of your lights. Finally, reattach it to the place where you pulled it out.
PATIKIL 60x22mm Downlight Spring Clips, 10 Pack Emitting Diode Recessed Lighting Accessories Securing Clamps for Ceiling Lamp
PATIKIL 51x15mm Downlight Spring Clips, 24 Pack Emitting Diode Recessed Lighting Accessories Securing Clamps for Ceiling Lamp, Blue
PATIKIL 40x16mm Downlight Spring Clips, 24 Pack Emitting Diode Recessed Lighting Accessories Securing Clamps for Ceiling Lamp, Black
PATIKIL 51x15mm Downlight Spring Clips, 50 Pack Emitting Diode Recessed Lighting Accessories Securing Clamps for Ceiling Lamp, Blue
PATIKIL 57x17mm Downlight Spring Clips, 30 Pack Emitting Diode Recessed Lighting Accessories Securing Clamps for Ceiling Lamp, Black
DGHAOP 10pcs Downlight Panel Lamp Spring Clip Black T1.1x15.5x45mm Light Emitting Diode Recessed Lighting Accessories for Ceiling Lamp