108 A PRIMER OF COLLEGE FOOTBALL
judgment. The moment the centre puts
the ball down, he should call out his sig¬
nal. Some quarters call twice, once before
the line-up and once afterwards. Once
ought to be sufficient. The signals need
to be called loudly, so that the whole team
will hear. A little ginger and snap in
his voice will help along the play. The
signal is really a command, and must be
given as such.
The signal having been called, the
quarter should signal his centre in some
way to let the ball come. Signal for the
flat snap is generally a pinch. In that
case, the quarter should keep his hand on
the centre's, and make the pinch well
under, where the movement of his fingers
or muscles will not be likely to be seen.
For the end snap, some hand signal may
be used, or the centre may be instructed
to send the ball back any time after the
quarter takes his hand off him.
The quarter-back should remember that