old_contents: // Instantiate the Bootstrap carousel
  $('.multi-item-carousel').carousel({
    interval: false
  });
  
  // for every slide in carousel, copy the next slide's item in the slide.
  // Do the same for the next, next item.
  $('.multi-item-carousel .item').each(function(){
    var next = $(this).next();
    if (!next.length) {
      next = $(this).siblings(':first');
    }
    next.children(':first-child').clone().appendTo($(this));
    
    if (next.next().length>0) {
      next.next().children(':first-child').clone().appendTo($(this));
    } else {
    	$(this).siblings(':first').children(':first-child').clone().appendTo($(this));
    }
  });
new_contents: $('.multi-item-carousel').carousel({
    interval: false
  });
  
  $('.multi-item-carousel .item').each(function(){
    var next = $(this).next();
    if (!next.length) {
      next = $(this).siblings(':first');
    }
    next.children(':first-child').clone().appendTo($(this));
    
    if (next.next().length>0) {
      next.next().children(':first-child').clone().appendTo($(this));
    } else {
    	$(this).siblings(':first').children(':first-child').clone().appendTo($(this));
    }
  });
subject: ajuste js do slider