https://en.wikipedia.org/wiki/Bifurcated_needle#/media/File:US_Navy_030305-N-3235P-513_A_Hospital_Corpsman_dips_a_bifurcated_vaccinating_needle_into_an_open_vial_of_Small_Pox_Vaccine.jpg
https://en.wikipedia.org/wiki/Bifurcated_needle#/media/File:US_Navy_030305-N-3235P-513_A_Hospital_Corpsman_dips_a_bifurcated_vaccinating_needle_into_an_open_vial_of_Small_Pox_Vaccine.jpg