Place your pennant on top of a holder, then slide both into another holder. When they won't go any further in, pull the first holder out from under the pennant. The pennant should now be most of the way in the second holder, 80% or so. Gently tap the tip of the holder on the ground until the rest of the pennant slides in from gravity, being careful that the border of the pennant doesn't catch on the holder as it slides down.
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