any number of needles in addition the orifice 40 is described as being circular as will be appreciated the orifice 40 may be elliptical or any other geometric shape further in the described embodiment the orifice 40 is described as having a nominal inside diameter of 0 0625 inches however as will be appreciated the orifice 40 may be smaller or larger the described embodiment recites specific values for the angles u03b1 u03b2 u03c6 the gap between the baffle plate outer edge 52 and the peripheral edge 54 of the presser foot 28 and the time duration of the air stream as will be appreciated those are values that have been chosen for a presser foot of a specific design in a particular application depending on the size and geometry of the presser foot 28 and other application related conditions other values for those variables may be used and further some experimentation with respect to those variables may be required to achieve the desired results the invention is particularly suitable for use on multi needle quilting machines such as described for example in commonly assigned u s pat nos 5 154 130 and 5 544 599 hereby expressly incorporated herein by reference the invention is also useful on single needle quilting machines as for example described in commonly assigned u s pat nos 5 650 916 5 685 250 and 5 832.