var PIXI = require('pixi.js');
var Connector = require('pixi-hammer');

var app = new PIXI.Application(320, 400);
// initialize the Connector
var c = new Connector(app);

// assume we have a PIXI instance
var rect = new PIXI.Graphics();
rect.beginFill(0x000000);
rect.drawRect(100, 100, 100, 100);
app.stage.addChild(rect);

// listen hammer.js event from that instance
c.listen(rect, 'pinch', function(e) {
  console.log('pinching on the rect!');
});