Swiss mercenaries and Landsknechte engaged in a push of pike (engraving by Hans Holbein the Younger, early 16th century)
Right hand section of preceding drawing
The push of pike was a particular feature of Late Middle Ages and Early Modern warfare that occurred when two opposing columns of pikemen (often Swiss Reisläufer or German Landsknechte) met and became locked in position along a front of interleaved pikes.