Low Harm Intruder Deterrent Fence Spikes

Lots of pain, but no harm to intruders, trespassers and some animals

PATENTED ‘SPIKED’ FENCE CAPPING

SHORT PVC SPIKES BITE PAINFULLY TO STOP INTRUDERS & COYOTES

**PROTECTING KIDS FROM INJURY, WHILE PROTECTING FAMILIES, PETS AND POSSESSIONS

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Thorny Devils CAN BE PAINTED to blend with their surroundings, and yet remain clearly visible close up.

The sections of fence capping are made from long lasting UV resistant PVC material which can readily be painted to match any fence color (or left natural).

Low Cost, Low Harm, PEACE OF MIND

Unwanted intruders are warned by sight, sign and touch, well before attempting to climb.

There are Thorny Devil fence spikes to suit most applications such as fences and gates; as well as on poles, pipes, pylons, gantries, roofs, signs, shade structures, public buildings even on some train roofs.

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News & Feedback

  • No Harm to Animals

    A) The thorns are short and their apex is purposely made with a radius.
    B) Any painful effect can only be due to pressure applied to the thorns and as cats & possums only weigh a small amount, they are unable to exert harmful pressure.
    C) The thorns are spaced to ensure that animals are made uncomfortable, yet not hurt.
    D) Cats and possums have very keen eyesight and excellent survival skills. They easily recognize the Thorny Devil spikes from a distance; and once they have encountered them, they generally choose to modify their behaviour.
    E) Thorny Devils are low harm, obvious and benign.