ya i stick it in and walk my fingers up the barrel and basicly pinch the plunger stem at the base where it meets the barrel and it draws back (aspirates) you only need to move the plunger very little to check for blood.
ya i stick it in and walk my fingers up the barrel and basicly pinch the plunger stem at the base where it meets the barrel and it draws back (aspirates) you only need to move the plunger very little to check for blood.
Last edited by MBMETC; 03-11-2011 at 03:59 PM.
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