Harriers came out on the attack in the second half and Henriksen had a shot deflected over after a quick breakaway from the home side.
On 50 minutes Clarkson whipped in a fine cross from the right and Larkin arrived with a far-post header that keeper Turley pushed around the post. Colin Larkin
The young striker was unlucky again three minutes later when he burst onto Blake's through-ball and lobbed just over the bar as Turley came haring out of his goal.
Rushden's Hanlon was booked on 54 minutes for throwing the ball at Appleby after he had been fouled by the Harriers man.
From the free-kick, Underwood's shot was blocked and Peters hooked the rebound just wide from the edge of the area.
Rushden had their second player booked on 57 minutes after Butterworth fouled Appleby in a challenge which clearly upset the on-loan midfielder.
Henriksen was then yellow-carded for catching Hunter with a late challenge.
A tremendous break from centre-back Sall on 64 minutes set up striker Larkin whose shot was well-saved by the advancing Turley.
The visitors made a double substitution seconds later with Duffy and Brady on for Thomson and Setchell.
Brock made a superb reflex save to keep out header from the unmarked Peters who had ghosted in to nod down Hall's right-wing free-kick.
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