void AddHighlightables()
    {
        List <KMHighlightable> highlightables = new List <KMHighlightable>(GameObject.FindObjectsOfType <KMHighlightable>());

        foreach (KMHighlightable highlightable in highlightables)
        {
            TestHighlightable highlight = highlightable.gameObject.AddComponent <TestHighlightable>();

            highlight.HighlightPrefab = HighlightPrefab;
            highlight.HighlightScale  = highlightable.HighlightScale;
            highlight.OutlineAmount   = highlightable.OutlineAmount;
        }
    }